Fair Value Disclosure (Tables)

9 Months Ended

Sep. 30, 2011

Fair Value Disclosure

Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis

	Fair Value Measurement
	September 30, 2011								December 31, 2010
	Level 1		Level 2		Level 3		Fair Value		Level 1		Level 2		Level 3		Fair Value
Assets:
Derivative assets	$	—	$	11.8	$	—	$	11.8	$	—	$	36.5	$	—	$	36.5
Trading securities		14.2		—		—		14.2		16.0		—		—		16.0
Total assets	$	14.2	$	11.8	$	—	$	26.0	$	16.0	$	36.5	$	—	$	52.5
Liabilities
Derivative liabilities	$	—	$	64.2	$	—	$	64.2	$	—	$	16.2	$	—	$	16.2
Total liabilities	$	—	$	64.2	$	—	$	64.2	$	—	$	16.2	$	—	$	16.2